MR.SMITH Chestnut deepens medium blonde to dark brown tones. This hair color treatment utilizes a blend of naturally derived ingredients to nourish and revitalize hair while imparting a rich, chestnut hue. Designed to enhance color depth and vibrancy, it also extends the life of existing color treatments, leaving hair soft, shiny, and healthy-looking. It will subtly shift your current color into deeper and warmer tones, while providing intense hydration and protection.